diff --git a/src/fdr/fdr_engine_description.cpp b/src/fdr/fdr_engine_description.cpp
index c4f59258..6de09f92 100644
--- a/src/fdr/fdr_engine_description.cpp
+++ b/src/fdr/fdr_engine_description.cpp
@@ -71,7 +71,7 @@ u32 findDesiredStride(size_t num_lits, size_t min_len, size_t min_len_count) {
         } else if (num_lits < 5000) {
             // for larger but not huge sizes, go to stride 2 only if we have at
             // least minlen 3
-            desiredStride = MIN(min_len - 1, 2);
+            desiredStride = std::min(min_len - 1, 2UL);
         }
     }
 
diff --git a/src/parser/ComponentRepeat.cpp b/src/parser/ComponentRepeat.cpp
index 78277108..246c395b 100644
--- a/src/parser/ComponentRepeat.cpp
+++ b/src/parser/ComponentRepeat.cpp
@@ -321,7 +321,7 @@ void ComponentRepeat::wireRepeats(GlushkovBuildState &bs) {
     }
 
     DEBUG_PRINTF("wiring up %u optional repeats\n", copies - m_min);
-    for (u32 rep = MAX(m_min, 1); rep < copies; rep++) {
+    for (u32 rep = std::max(m_min, 1U); rep < copies; rep++) {
         vector<PositionInfo> lasts = m_lasts[rep - 1];
         if (rep != m_min) {
             lasts.insert(lasts.end(), optLasts.begin(), optLasts.end());